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iluwatariluwatar
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iluwatar#55 Repository example skeleton
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Lines changed: 198 additions & 4 deletions

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‎repository/pom.xml‎

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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.data</groupId>
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<artifactId>spring-data-jpa</artifactId>
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<version>1.7.1.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-entitymanager</artifactId>
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<version><!-- 4.2.0.Final -->5.0.0.CR2</version>
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</dependency>
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<dependency>
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<groupId>org.postgresql</groupId>
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<artifactId>postgresql</artifactId>
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<version>9.4-1200-jdbc4</version>
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</dependency>
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</dependencies>
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</project>

‎repository/src/main/java/com/iluwatar/App.java‎

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package com.iluwatar;
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import java.util.List;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**
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* Standalone application with Spring Data JPA, Hibernate and Maven
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*
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* @author DevCrumb.com
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*/
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public class App {
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public static void main( String[] args ) {
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System.out.println( "Hello World!" );
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}
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public static void main(String[] args) {
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ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
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"applicationContext.xml");
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PersonDao dao = context.getBean(PersonDao.class);
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Person peter = new Person("Peter", "Sagan");
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Person nasta = new Person("Nasta", "Kuzminova");
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// Add new Person records
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dao.save(peter);
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dao.save(nasta);
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// Count Person records
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System.out.println("Count Person records: " + dao.count());
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// Print all records
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List<Person> persons = (List<Person>) dao.findAll();
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for (Person person : persons) {
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System.out.println(person);
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}
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// Find Person by surname
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System.out.println("Find by surname 'Sagan': " + dao.findBySurname("Sagan"));
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// Update Person
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nasta.setName("Barbora");
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nasta.setSurname("Spotakova");
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dao.save(nasta);
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System.out.println("Find by id 2: " + dao.findOne(2L));
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// Remove record from Person
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dao.delete(2L);
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// And finally count records
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System.out.println("Count Person records: " + dao.count());
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context.close();
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}
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}

‎repository/src/main/java/com/iluwatar/Person.java‎

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package com.iluwatar;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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/**
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* Person entity
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*
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* @author DevCrumb.com
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*/
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@Entity
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public class Person {
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@Id
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@GeneratedValue
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private Long id;
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private String name;
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private String surname;
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public Person() {
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}
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public Person(String name, String surname) {
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this.name = name;
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this.surname = surname;
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getSurname() {
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return surname;
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}
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public void setSurname(String surname) {
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this.surname = surname;
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}
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@Override
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public String toString() {
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return "Person [id=" + id + ", name=" + name + ", surname=" + surname
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+ "]";
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}
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}

‎repository/src/main/java/com/iluwatar/PersonDao.java‎

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package com.iluwatar;
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import java.util.List;
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import org.springframework.data.repository.CrudRepository;
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import org.springframework.stereotype.Repository;
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/**
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* Person dao interface
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*
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* @author DevCrumb.com
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*/
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@Repository
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public interface PersonDao extends CrudRepository<Person, Long> {
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public List<Person> findBySurname(String surname);
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}

‎repository/src/main/resources/META-INF/persistence.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<persistence version="1.0"
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xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
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<persistence-unit name="jpaData" />
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</persistence>

‎repository/src/main/resources/applicationContext.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
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xmlns:security="http://www.springframework.org/schema/security"
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xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:jpa="http://www.springframework.org/schema/data/jpa"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
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http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.0.xsd">
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<!-- Directory to scan for repository classes -->
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<jpa:repositories base-package="com.iluwatar" />
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<bean id="dataSource"
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class="org.springframework.jdbc.datasource.DriverManagerDataSource">
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<property name="driverClassName">
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<value>org.postgresql.Driver</value>
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</property>
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<property name="url">
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<value>jdbc:postgresql://localhost:5432/postgres</value>
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</property>
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<property name="username">
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<value>postgres</value>
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</property>
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<property name="password">
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<value>ile666</value>
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</property>
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</bean>
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<bean id="entityManagerFactory"
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class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
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<property name="dataSource" ref="dataSource" />
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<property name="persistenceUnitName" value="jpaData" />
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<property name="jpaVendorAdapter">
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<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
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</property>
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<property name="jpaProperties">
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<props>
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<prop key="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</prop>
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<prop key="hibernate.show_sql">false</prop>
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<prop key="hibernate.format_sql">false</prop>
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<prop key="hibernate.hbm2ddl.auto">create</prop>
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</props>
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</property>
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</bean>
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<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
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<property name="entityManagerFactory" ref="entityManagerFactory" />
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</bean>
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</beans>

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